Table 4.
Characteristics of subgroups
| Non-droolers: no complaints | Pre-droolers: accumulation of saliva or only nocturnal drooling | Droolers: diurnal drooling with or without nocturnal drooling | p value | |
|---|---|---|---|---|
| N (%) | 30 (29) | 45 (43) | 29 (28) | |
| Patient characteristics | ||||
| Gender (% of men) | 37 | 82 | 69 | 0.000 |
| Age (years; SD) | 62 (10.2) | 62 (10.3) | 68 (9.4) | 0.069 |
| UPDRS III (SD) | 24 (10.7) | 28 (9.9) | 31 (9.8) | 0.019 |
| Hoehn&Yahr | ||||
| Mild (1–2) (%) | 60 | 42 | 31 | 0.044 |
| Moderate (2.5–3) (%) | 37 | 53 | 62 | |
| Severe (4–5) (%) | 3 | 5 | 7 | |
| Disease duration (years; SD) | 6 (4.9) | 7 (4.6) | 10 (5.4) | 0.010 |
| ROMP-saliva control (7–35)a | 7 (0.0) | 9 (3.3) | 15 (4.8) | 0.000 |
| Facial and oral motor characteristics | ||||
| ROMP-speech (7–35) | 11 (4.2) | 15 (5.1) | 16 (5.7) | 0.002 |
| ROMP-swallowing (7–35) | 9 (2.6) | 10 (3.9) | 12 (4.4) | 0.006 |
| Facial expression (0–4) | 1 (0–3) | 1 (1–3) | 2 (0–3) | 0.044 |
| Mouth opening (1–4) | 1 (1–3) | 1 (1–3) | 2 (1–3) | 0.010 |
| Difficult nose breathing (1–4) | 1 (1–2) | 1 (1–3) | 1 (1–3) | 0.137 |
| Sleeping characteristics | ||||
| Sleeping on one side (%) | 43 | 50 | 68 | 0.266 |
| Breathing through the mouth (%) | 36 | 37 | 57 | 0.291 |
aROMP-saliva minus items ‘day’ and ‘night’ (see Table 2)